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| 型号： | MAX9888EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 82/115页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX9888 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DirectDrive®, FLEXSOUND™ |
| 相关产品： | MAX9888EWY+T-ND - IC CODEC AUDIO FLEXSOUND 63WLP |
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Stereo Audio CODEC
with FlexSound Technology
MAX9888
69
Table 8. Sidetone Register
Digital Audio Interfaces
The IC includes two separate playback signal paths and
one record signal path. Digital audio interface 1 (DAI1)
is used to transmit the recorded stereo audio signal and
receive a stereo audio signal for playback. Digital audio
interface 2 (DAI2) is used to receive a second stereo
audio signal. Use DAI1 for all full-duplex operations and
for all voice signals. Use DAI2 for music and to mix two
playback audio signals. The digital audio interfaces are
separate from the audio ports to enable either interface
to communicate with any external device connected to
the audio ports.
Each audio interface can be configured in a variety of
formats including left justified, I2S, PCM, and time divi-
sion multiplexed (TDM). TDM mode supports up to 4
mono audio slots in each frame. The IC can use up to
2 mono slots per interface, leaving the remaining two
slots available for another device. Table 9 shows how to
configure the device for common digital audio formats.
Figures 16 and 17 show examples of common audio
formats. By default, SDOUTS1 and SDOUTS2 are set
high impedance when the IC is not outputting data to
facilitate sharing the bus. Configure the interface in TDM
mode using only slot 1 to transmit and receive mono
PCM voice data.
The IC’s digital audio interfaces support both ADC to
DAC loop-through and digital loopback. Loop-through
allows the signal converted by the ADC to be routed
to the DAC for playback. The signal is routed from the
record path to the playback path in the digital audio
interface to allow the IC’s full complement of digital
signal processing to be used. Loopback allows digital
REGISTER
BIT
NAME
DESCRIPTION
0x2A
7
DSTS
Sidetone Source
Selects which ADC output is fed back as sidetone. When mixing the left and right ADC
outputs, each is attenuated by 6dB to prevent full-scale signals from clipping.
00 = Sidetone disabled
01 = Left ADC
10 = Right ADC
11 = Left + Right ADC
6
4
DVST
Sidetone Level
Adjusts the sidetone signal level. All levels are referenced to the ADC’s full-scale output.
VALUE
LEVEL (dB)
VALUE
LEVEL (dB)
3
0x00
Sidetone disabled
0x10
-30.5
0x01
-0.5
0x11
-32.5
0x02
-2.5
0x12
-34.5
0x03
-4.5
0x13
-36.5
2
0x04
-6.5
0x14
-38.5
0x05
-8.5
0x15
-40.5
0x06
-10.5
0x16
-42.5
0x07
-12.5
0x17
-44.5
1
0x08
-14.5
0x18
-46.5
0x09
-16.5
0x19
-48.5
0x0A
-18.5
0x1A
-50.5
0x0B
-20.5
0x1B
-52.5
0
0x0C
-22.5
0x1C
-54.5
0x0D
-24.5
0x1D
-56.6
0x0E
-26.5
0x1E
-58.5
0x0F
-28.5
0x1F
-60.5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9888EVKIT+ | 功能描述:音频 IC 开发工具 MAX9888 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9888EWY+T | 功能描述:接口—CODEC Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX9889EWO+T | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX988ESA | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX988ESA+ | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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